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1.6.1 Binomial expansion for positive integer n

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Question 14

Find the first four terms, in ascending powers of xxx, of the binomial expansion of

(3+16x)9\left(3 + \frac{1}{6}x\right)^9(3+61​x)9

Give each coefficient as a simplified fraction or an integer where possible.

[4]
Markscheme

1.6.1 Binomial expansion for positive integer n Questions

  1. A Level
  2. /Maths
  3. /1.6.1 Binomial expansion for positive integer n

99 exam-style questions on OCR (MEI) A Level Maths 1.6.1 Binomial expansion for positive integer n. Each one has a worked solution and a mark scheme showing where the marks go.

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